Finding the Fourth Proportional to 7,476,867.40, 10,318,289.52 and 4,169,237.80
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Solution
The fourth proportional to 7,476,867.40, 10,318,289.52 and 4,169,237.80 is: 5,753,666.66
Step by Step Solution
- Step 1: Write the proportion equation
7,476,867.40 : 10,318,289.52 = 4,169,237.80 : x - Step 2: Convert to fraction form
7,476,867.40/10,318,289.52 = 4,169,237.80/x - Step 3: Cross multiply
7,476,867.40x = 10,318,289.52 × 4,169,237.80 - Step 4: Simplify right side
7,476,867.40x = 43,019,402,698,127.85 - Step 5: Solve for x
x = 43,019,402,698,127.85/7,476,867.40 - Step 6: Final answer
x = 5,753,666.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.